For more intel on sales, check out our Best Cyber Monday Deals roundup or our Cyber Monday liveblog. The LED Series 2 is the best red light therapy mask on the market. Drybar's Hot Toddy Heat Protectant Mist is also discounted to $20 ($11 off) for dry hair. This Hard-Shell Mask Is $91 OffReviewer Kat Merck found this cordless, hard-shell LED mask from Dr. Dennis Gross to be super comfortable to use. This LED Mask Is $120 OffThis is one of the more affordable (and FDA-cleared) LED masks available, and with this Cyber Monday deal, it’s even more budget-friendly.